Fairy Hikari

a petite girl with very long wavy lime-green hair and two waist-length side strands, golden eyes, pointed elf ears, a green halo above her head, and a black demon tail ending in a heart-spade tip, standing beneath full moon, magic circle, floating crystals, mystical forest, silver moonlight, fantasy illustration, ao3 style, masterpiece, flat color, pastel colors, cotton colors, pale color, low saturation, soft light, soft color, soft shading, sharpness, high detail, dreamlike atmosphere